Question

(a²+b²) is equal to ______

Answer 1

Step-by-step explanation:

(a+b)2 = a2 +b2+2ab

therefore by the above one we get

a2+b2 = (a+b)2 - 2ab

Answer 2

Answer:

actually there is no formula called $a^{2} + b^{2}$ but when we take the square in common there is a formula. I have given that below.

$(a+b)^2 = a^2 + 2ab + b^2$

Hope it helped you!!